19469798

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 31595520

約数和(自身を除く): 12125722

約数列:

[1, 2, 31, 43, 62, 67, 86, 109, 134, 218, 1333, 2077, 2666, 2881, 3379, 4154, 4687, 5762, 6758, 7303, 9374, 14606, 89311, 145297, 178622, 226393, 290594, 314029, 452786, 628058, 9734899, 19469798]

約数ペア:

[(1, 19469798), (2, 9734899), (31, 628058), (43, 452786), (62, 314029), (67, 290594), (86, 226393), (109, 178622), (134, 145297), (218, 89311), (1333, 14606), (2077, 9374), (2666, 7303), (2881, 6758), (3379, 5762), (4154, 4687)]